Home / 13,169.31-18,173.66-7,201.03

Finding the Fourth Proportional to 13,169.31, 18,173.66 and 7,201.03

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Solution

The fourth proportional to 13,169.31, 18,173.66 and 7,201.03 is: 9,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.31 : 18,173.66 = 7,201.03 : x
  2. Step 2: Convert to fraction form
    13,169.31/18,173.66 = 7,201.03/x
  3. Step 3: Cross multiply
    13,169.31x = 18,173.66 × 7,201.03
  4. Step 4: Simplify right side
    13,169.31x = 130,868,989.43
  5. Step 5: Solve for x
    x = 130,868,989.43/13,169.31
  6. Step 6: Final answer
    x = 9,937.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.